Home / 137,450,944.32-189,671,083.56-80,926,767.78

Finding the Fourth Proportional to 137,450,944.32, 189,671,083.56 and 80,926,767.78

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Solution

The fourth proportional to 137,450,944.32, 189,671,083.56 and 80,926,767.78 is: 111,672,333.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,450,944.32 : 189,671,083.56 = 80,926,767.78 : x
  2. Step 2: Convert to fraction form
    137,450,944.32/189,671,083.56 = 80,926,767.78/x
  3. Step 3: Cross multiply
    137,450,944.32x = 189,671,083.56 × 80,926,767.78
  4. Step 4: Simplify right side
    137,450,944.32x = 15,349,467,733,841,096
  5. Step 5: Solve for x
    x = 15,349,467,733,841,096/137,450,944.32
  6. Step 6: Final answer
    x = 111,672,333.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.